/* $Id: gda.h,v 1.1.1.1 2004/02/04 12:57:42 laputa Exp $ * * This file is subject to the terms and conditions of the GNU General Public * License.  See the file "COPYING" in the main directory of this archive * for more details. * * Derived from IRIX <sys/SN/gda.h>. * * Copyright (C) 1992 - 1997, 2000 Silicon Graphics, Inc. * * gda.h -- Contains the data structure for the global data area, * 	The GDA contains information communicated between the *	PROM, SYMMON, and the kernel.  */#ifndef _ASM_SN_GDA_H#define _ASM_SN_GDA_H#include <asm/sn/addrs.h>#define GDA_MAGIC	0x58464552/* * GDA Version History * * Version #	| Change * -------------+------------------------------------------------------- * 	1	| Initial IP27 version  * 	2	| Prom sets g_partid field to the partition number. 0 IS *		| a valid partition #.  */#define GDA_VERSION	2	/* Current GDA version # */#define G_MAGICOFF	0#define G_VERSIONOFF	4#define G_PROMOPOFF	6#define G_MASTEROFF	8#define G_VDSOFF	12#define G_HKDNORMOFF	16#define G_HKDUTLBOFF	24#define G_HKDXUTLBOFF	32#define G_PARTIDOFF	40#define G_TABLEOFF	128#ifdef _LANGUAGE_Ctypedef struct gda {	u32	g_magic;	/* GDA magic number */	u16	g_version;	/* Version of this structure */	u16	g_masterid;	/* The NASID:CPUNUM of the master cpu */	u32	g_promop;	/* Passes requests from the kernel to prom */	u32	g_vds;		/* Store the virtual dipswitches here */	void	**g_hooked_norm;/* ptr to pda loc for norm hndlr */	void	**g_hooked_utlb;/* ptr to pda loc for utlb hndlr */	void	**g_hooked_xtlb;/* ptr to pda loc for xtlb hndlr */	int	g_partid;	/* partition id */	int	g_symmax;	/* Max symbols in name table. */	void	*g_dbstab;	/* Address of idbg symbol table */	char	*g_nametab;	/* Address of idbg name table */	void	*g_ktext_repmask;				/* Pointer to a mask of nodes with copies				 * of the kernel. */	char	g_padding[56];	/* pad out to 128 bytes */	nasid_t	g_nasidtable[MAX_COMPACT_NODES+1]; /* NASID of each node,						  * indexed by cnodeid.						  */} gda_t;#define GDA ((gda_t*) GDA_ADDR(get_nasid()))#endif /* __LANGUAGE_C *//* * Define:	PART_GDA_VERSION * Purpose:	Define the minimum version of the GDA required, lower  *		revisions assume GDA is NOT set up, and read partition *		information from the board info. */#define	PART_GDA_VERSION	2/* * The following requests can be sent to the PROM during startup. */#define PROMOP_MAGIC		0x0ead0000#define PROMOP_MAGIC_MASK	0x0fff0000#define PROMOP_BIST_SHIFT       11#define PROMOP_BIST_MASK        (0x3 << 11)#define PROMOP_REG		PI_ERR_STACK_ADDR_A#define PROMOP_INVALID		(PROMOP_MAGIC | 0x00)#define PROMOP_HALT             (PROMOP_MAGIC | 0x10)#define PROMOP_POWERDOWN        (PROMOP_MAGIC | 0x20)#define PROMOP_RESTART          (PROMOP_MAGIC | 0x30)#define PROMOP_REBOOT           (PROMOP_MAGIC | 0x40)#define PROMOP_IMODE            (PROMOP_MAGIC | 0x50)#define PROMOP_CMD_MASK		0x00f0#define PROMOP_OPTIONS_MASK	0xfff0#define PROMOP_SKIP_DIAGS	0x0100		/* don't bother running diags */#define PROMOP_SKIP_MEMINIT	0x0200		/* don't bother initing memory */#define PROMOP_SKIP_DEVINIT	0x0400		/* don't bother initing devices */#define PROMOP_BIST1		0x0800		/* keep track of which BIST ran */#define PROMOP_BIST2		0x1000		/* keep track of which BIST ran */#endif /* _ASM_SN_GDA_H */